/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.highlighter

import com.intellij.codeInsight.daemon.impl.analysis.HighlightInfoHolder
import com.intellij.openapi.editor.Document
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiRecursiveElementVisitor
import com.linqingying.cangjie.psi.CjFile
import com.linqingying.cangjie.resolve.BindingContext
import com.linqingying.cangjie.resolve.caches.analyzeWithAllCompilerChecks


abstract class AbstractBindingContextAwareHighlightingPassBase(
    file: CjFile,
    document: Document
) : AbstractHighlightingPassBase(file, document) {
    abstract fun annotate(element: PsiElement, holder: HighlightInfoHolder)

    private var bindingContext: BindingContext? = null

    protected fun bindingContext(): BindingContext = bindingContext ?: error("bindingContext has to be acquired")

    protected open fun buildBindingContext(): BindingContext =
        (file as CjFile).analyzeWithAllCompilerChecks().also { it.throwIfError() }.bindingContext

    override fun runAnnotatorWithContext(element: PsiElement, holder: HighlightInfoHolder) {
        bindingContext = buildBindingContext()
        try {
            element.accept(object : PsiRecursiveElementVisitor() {
                override fun visitElement(element: PsiElement) {
                    annotate(element, holder)
                    super.visitElement(element)
                }
            })
        } finally {
            bindingContext = null
        }
    }

}
